51828 Ilanramon

51828 Ilanramon

Discovery
Discovered by	NEAT
Discovery date	20 July 2001
Designations
Named after	Ilan Ramon
Alternative names	2001 OU39
Minor planet category	Main belt
Orbital characteristics[1][2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	9360 days (25.63 yr)
Aphelion	3.13138 AU (468.448 Gm)
Perihelion	2.41748 AU (361.650 Gm)
Semi-major axis	2.77443 AU (415.049 Gm)
Eccentricity	0.12866
Orbital period	4.62 yr (1687.9 d)
Average orbital speed	17.81 km/s
Mean anomaly	308.567°
Mean motion	0° 12^m 47.797^s / day
Inclination	9.47612°
Longitude of ascending node	41.7142°
Argument of perihelion	42.2788°
Earth MOID	1.44173 AU (215.680 Gm)
Jupiter MOID	2.16711 AU (324.195 Gm)
Jupiter Tisserand parameter	3.304
Physical characteristics
Geometric albedo	0.10
Temperature	~167 K
Absolute magnitude (H)	13.8

51828 Ilanramon (2001 OU₃₉) is an asteroid named for astronaut Ilan Ramon, who was killed in the STS-107 (Columbia) space shuttle reentry disaster on February 1, 2003. 51828 Ilanramon was discovered on July 20, 2001 at Palomar Observatory by the JPL Near Earth Asteroid Tracking Program.

References

1. "The Asteroid Orbital Elements Database". astorb. Lowell Observatory.
2. "51828 Ilanramon (2001 OU39)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 April 2016.

External links

• NASA JPL - Space Shuttle Columbia Tribute page
• Orbital simulation and data for 51828 Ilanramon
• 51828 Ilanramon at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters